Bosch Appliances 3922 988 43318 manual System Using, Discussion Units, Concentus

Digital Congress Network Installation			and Operating Manual Chapter 10 - Installation Techniques								en 10-7
SYSTEM USING	Port 1	Rec. Line	Trunk			SYSTEM USING	Port 1		Rec. Line	Trunk
DISCUSSION UNITS	In	In			LBB 3505/05	CONCENTUS		In	In		LBB 3500/15, LBB 3500/35
	Out	Out			115 V -T4A 230 V -T2A	UNITS	Port 2	Out	Out		115 V -T4A 230 V -T2A
	10 m (32.8 ft.) 1			2	3			10 m (32.8 ft.)1		2	3
		10 m (32.8 ft.)			30 m (98.4 ft.)				10 m (32.8 ft.)		30 m (98.4 ft.)

8 units		5 units
20 m (65.6 ft.)	10 m (32.8 ft.)	20 m (65.6 ft.)
		10 m (32.8 ft.)
7 units		7 units

	2 units	2 units
		10 m (32.8 ft.)
	10 m (32.8 ft.)
9 units		5 units

5 units			5 units
8 units			5 units
10 m (32.8 ft.)	20 m (65.6 ft.)	40 m (131 ft.)	10 m (32.8 ft.)	20 m (65.6 ft.)	40 m (131 ft.)
5 units			5 units

		5 units	5 units
			6 units
8 units	6 units	6 units

Table 10.2:				Table 10.3:
Trunk_Outlet	Total cable	PCF Value	PCF Value	Trunk_Outlet	Total cable	PCF Value	PCF Value
	length	(without Ext. cable correction)	(with Ext. cable correction)		length	(without Ext. cable correction)	(with Ext. cable correction)
1	40 m (131 ft.)	20	24	1	40 m (131 ft.)	46	55
2	20 m (65.6 ft.)	35	38	2	20 m (65.6 ft.)	55	60
3	80 m (26.2 ft.)	15	22	3	80 m (26.2 ft.)	35	52
			System PCF = 84				System PCF = 167

FIG 10-8 Example when calculating the PCF of a system using discussion units (e.g. LBB 3530/00)

FIG 10-9 Example when calculating the PCF value of a system using Concentus units (e.g. LBB 3544/00, LBB 3545/00, LBB 3546/00 and LBB 3547/00)

Bosch Security Systems 04-2003 3922 988 43318 en Calculating the PCF of a System with respect to cable length